Isolate and substitute for one variable to solve systems of equations in two variables.
Systems Using Substitution Interactive
Solves equations by substitution.
This video provides an explanation of the concept of solving linear systems by substitution.
A list of student-submitted discussion questions for Systems Using Substitution.
All students will be able to research two different cell phone companies and determine which cell phone plan is the cheapest using systems of linear equations. Students will represent these relationships through equations, tables and graphs.
Learn how to use a system of linear equations to calculate federal and state taxes.
Learn how to use a system of equations to determine which of two cell phone plans is a better deal.
This study guide looks at systems of linear equations and how to solve them by graphing and by substitution. It also looks at the types/number of solutions to systems of linear equations.